摘要
航道水下数据采集和传输受到水下通信信道的多径干扰,导致数据监测的稳定性不好,提出一种基于无线传感器网络的航道水下数据监测系统设计方法。采用水下换能器基阵构建无线传感器网络,进行航道水下声纹数据、船舶辐射噪声数据以及海洋混响数据采集,采用局部总线技术进行监测数据的远程传输控制,采用TMS320C50 DSP芯片作为航道水下数据监测系统的核心处理芯片,进行航道水下数据的集成信息处理,监测系统的硬件设计分为无线传感器模块、数据滤波模块、中央控制模块以及总线模块,采用无线传感器网络进行数据监测系统的网络设计,实现水下航道数据流的多路复用、数据帧检测和上位机通信传输。测试结果表明,设计的数据监测系统能实现航道水下数据的准确采集和传输控制,数据稳定输出性能较好。
underwater data acquisition and transmission of waterway is affected by multi-path interference of underwater communication channel,which leads to poor stability of data monitoring.This paper presents a design method of underwater channel data monitoring system based on wireless sensor network,which uses underwater transducer array to construct wireless sensor network,and carries out underwater voiceprint data.The data of ship radiated noise and marine reverberation are collected,and the remote transmission control of monitoring data is carried out by using local bus technology.The TMS320C50 DSP chip is used as the core processing chip of underwater data monitoring system for waterway,and the integrated information processing of underwater data of waterway is carried out.The hardware design of the monitoring system is divided into wireless sensor module,data filtering module,central control module and bus module.The test results show that the designed data monitoring system can realize the accurate acquisition and transmission control of underwater data.Stable data output performance is good.
出处
《舰船科学技术》
北大核心
2018年第2X期118-120,共3页
Ship Science and Technology
关键词
无线传感网络
航道水下数据
信息处理
DSP
系统设计
wireless sensor network
underwater channel data
information processing
DSP
system design
